Table 3 Effect of the physical activity on BMC at follow up

BMC _baseline

BA follow up

Gender

${\theta }_{\mathit{mh}}=\mathit{\text{log}}\left(\frac{{\pi }_{\mathit{mh}}}{{\pi }_l}\right)$

${\theta }_s=\mathit{\text{log}}\left(\frac{{\pi }_s}{{\pi }_l}\right)$

Gender # θ _s

Height _{follow up}

Puberty _{follow up}

Gender # puberty